[Bug rtl-optimization/79985] ICE in code_motion_path_driver, at sel-sched.c:6580

[amonakov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79985

--- Comment #9 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Author: amonakov
Date: Wed May 23 15:01:28 2018
New Revision: 260613

URL: https://gcc.gnu.org/viewcvs?rev=260613&root=gcc&view=rev
Log:
df-scan: remove ad-hoc handling of global regs in asms

        PR rtl-optimization/79985
        * df-scan.c (df_insn_refs_collect): Remove special case for
        global registers and asm statements.

testsuite/
        * gcc.dg/pr79985.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr79985.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/df-scan.c
    trunk/gcc/testsuite/ChangeLog